<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格</title>

</head>
<body>

<!-- 两行四列表格-->
<table border="1px">

    <tr>
        <!--  rowspan:跨行合并  2  跨两行  -->
        <td rowspan="2">1-1</td>
        <td>1-2</td>
        <!--    colspan：跨列合并  2  跨两列-->
        <td colspan="2">1-3</td>
    </tr>

    <tr>
        <td>2-2</td>
        <td>2-3</td>
        <td>2-4</td>
    </tr>

</table>

</body>
</html>